Home / 13,433.10-18,525.24-8,395.71

Finding the Fourth Proportional to 13,433.10, 18,525.24 and 8,395.71

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Solution

The fourth proportional to 13,433.10, 18,525.24 and 8,395.71 is: 11,578.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,433.10 : 18,525.24 = 8,395.71 : x
  2. Step 2: Convert to fraction form
    13,433.10/18,525.24 = 8,395.71/x
  3. Step 3: Cross multiply
    13,433.10x = 18,525.24 × 8,395.71
  4. Step 4: Simplify right side
    13,433.10x = 155,532,542.72
  5. Step 5: Solve for x
    x = 155,532,542.72/13,433.10
  6. Step 6: Final answer
    x = 11,578.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.